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ADT7350

ADTech
Part Number ADT7350
Manufacturer ADTech
Description step-down converter
Published Jan 10, 2011
Detailed Description ADT7350 General Description The ADT7350 is a step-down converter with integrated switching MOSFET. It operates wide inpu...
Datasheet PDF File ADT7350 PDF File

ADT7350
ADT7350


Overview
ADT7350 General Description The ADT7350 is a step-down converter with integrated switching MOSFET.
It operates wide input supply voltage range from 4.
5V to 24V with 1.
2A peak output current.
It includes current limiting protection and thermal shutdown.
It reduces design complexity and external component count.
The ADT7350 is available in small outline SOT23-6L package.
Package outline of the ADT7350 Features • Current mode buck regulator with 1.
4MHz fixed frequency • Input voltage range : 4.
5V to 24V • Adjustable output range : 0.
81V to 15V • Max.
output current : 1.
2A • Up to 92% Efficiency • Internal Soft-Start Function • Integrated Power MOSFET switch : 400mΩ • Thermal shutdown & current limit protection • SOT23-6L package Applications • • • • Distributed Power Systems Surveillance Camera module Navigation Infra-Red LED Drivers Typical Application Circuit CB 1 BST SW 6 L1 D1 C2 R1 VOUT U1 2 GND 5 VIN C1 VIN R2 3 FB EN 4 EN * This specifications are subject to be changed without notice Sep.
9.
2010 / Rev.
0.
0 www.
DataSheet.
in 1/9 http://www.
ad-tech.
co.
kr ADT7350 Part List Component U1 D1 L1 C2 C1 CB R1 R2 IC Schottky barrier diode Chip inductor MLCC MLCC MLCC Chip resistor Chip resistor Type Value (Model) ADT7350 RSX101M-30 4.
7uH / 1.
6A 22㎌ / 16V 10㎌ / 50V 10㎋ 49.
9㏀ / 1% 16.
2㏀ / 1% Manufacturer ADTech ROHM TDK • R1,R2 : VOUT 3.
3V typical case Pin Description Pin No.
1 2 3 4 5 6 Name BST GND FB EN VIN SW Pin Description Bootstrap.
This pin acts as the power supply for internal Power Transistor driver.
Connect a 10nF capacitor between this pin and SW pin.
Ground and heat sink.
Connect this pin to a large copper PCB area.
Feedback voltage input.
The voltage of this pin is regulated to 0.
81V.
The shielding in the PCB layout is option and connect resistor divider as close as possible.
Chip enable input.
The Enable voltage range is higher than 1.
2V and disable voltage is lower than 0.
4V.
Power supply input.
The input bypass capacitor should be ...


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